135 entries under inflexible topic. ×

5
impervious(adjective, hard, tough, solid, rigid)
5
uncooperative(adjective, mean, hard, tough, harsh)
4
concrete(adjective, set, hard, tough, firm)
4
stark(adjective, strong, hard, sound, tough)
4
tense(adjective, hard, firm, solid, stiff)
3
balky(adjective, tough, firm, cross, restless)
3
compact(adjective, close, set, hard, tough)
3
compressed(adjective, set, hard, tough, firm)
3
condensed(adjective, hard, tough, solid, rigid)
3
heavy(adjective, strong, hard, sound, tough)
3
impliable(adjective, hard, firm, solid, resolute)
3
insubordinate(adjective, tough, firm, obstinate)
3
ossified(adjective, hard, firm, determined, resolute)
3
solidified(adjective, set, hard, tough, firm)
3
taut(adjective, hard, rough, firm, harsh)
2
brittle(adjective, hard, firm, solid, rigid)
2
close(adjective, set, strong, hard, tough)
2
concentrated(adjective, set, hard, tough, firm)
2
congealed(adjective, set, hard, tough, firm)
2
dead set on(expression, adjective, idiom, strong, secure)
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APASmart Define. (2016). unyielding thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unyielding/thesaurus/synonyms
ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 1 October 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>